Home / 19,043.80-26,276.76-12,328.48

Finding the Fourth Proportional to 19,043.80, 26,276.76 and 12,328.48

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Solution

The fourth proportional to 19,043.80, 26,276.76 and 12,328.48 is: 17,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.80 : 26,276.76 = 12,328.48 : x
  2. Step 2: Convert to fraction form
    19,043.80/26,276.76 = 12,328.48/x
  3. Step 3: Cross multiply
    19,043.80x = 26,276.76 × 12,328.48
  4. Step 4: Simplify right side
    19,043.80x = 323,952,510.12
  5. Step 5: Solve for x
    x = 323,952,510.12/19,043.80
  6. Step 6: Final answer
    x = 17,010.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.